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The MC9S12G is an optimized, automotive, 16-bit MCU product line focused on low-cost, high-performance and low pin-count. The MC9S12G is suited for generic automotive applications requiring CAN or LIN/SAE J2602 communication.
The MC9S12G delivers all the advantages and efficiencies of a 16-bit MCU while retaining the cost-effective, power consumption, EMC and code-size efficiency advantages currently enjoyed by users of Freescale's existing 8-bit and 16-bit MCU families.
Features
- S12 CPU core, 25 MHz bus
- Up to 240 KB on-chip flash with ECC
- Up to 4 KB EEPROM with ECC
- Up to 11 KB on-chip SRAM
- Up to one multi-scalable controller area network (MSCAN) module
- Supporting CAN protocol 2.0 A/B
- Up to three serial communication interface (SCI) modules
- Supporting LIN communications
- Up to three serial peripheral interface (SPI) modules
- Precision fixed voltage reference for analog-to-digital conversion (ADC)
- 1 MHz internal oscillator
- On-chip voltage regulator for input supply and internal voltages
- This product is included in Freescale's product longevity program, with assured supply for a minimum of 15 years after launch
Featured Documentation
- S12GFS: S12G Family Fact Sheet
- MC9S12GRMV1: MC9S12G Family Reference Manual and Data Sheet
- DRM134: DRM134, DRM for Driver Information System on S12G128 - Reference Manual
Featured Software and Tools
- TWR-S12G240: MC9S12G240 Automotive 16-bit Tower System Module
- TWR-S12G64: MC9S12G64 Automotive 16-bit Tower System Module
- TWR-S12G128: MC9S12G128 Automotive 16-bit Tower System Module
- TWR-S12GN32: MC9S12GN32 Automotive 16-bit Tower System Module
- TRK-USB-S12G128: S12G StarterTRAK USB Development System
Target Applications
- Automotive
- Heating Ventilation and Air Conditioning (HVAC)
- Lighting
- Doors, Window Lift and Seat Control
- Actuators
- Remote Keyless Entry (RKE)
- Occupant Detection
- Central Gateway / In-Vehicle Networking
- Industrial
- HVAC Building and Control Systems
S12G Family Comparison
| Internal Flash | Internal RAM | EEPROM | Serial Interface Type | ADC Bits/Channels | 16-bit Timers | Package Description | Additional Features | |
| S12GN16 | 16 KB | 1 KB | 0.5 KB | SCI SPI | Bits: 10 bit Channels: 8 | Number of Timers: 1 Channels: 6 | LQFP 48 7*7*1.4P0.5 LQFP 32 7*7*1.4P0.8 | Internal Clock Generator Internal Voltage Regulator Low Voltage Detect PLL Real-Time Clock Watchdog OSC/Timer |
| S12GN32 | 32 KB | 2 KB | 1 KB | SCI SPI | Bits: 10 bit Channels: 8 | Number of Timers: 1 Channels: 6 | LQFP 32 7*7*1.4P0.8 QFN-EP 48 7.0SQ*1.0P0.5 LQFP 48 7*7*1.4P0.5 | Internal Clock Generator Internal Voltage Regulator Low Voltage Detect PLL Real-Time Clock Watchdog OSC/Timer |
| S12G48 | 48 KB | 4 KB | 1.5 KB | CAN SCI SPI | Bits: 10 bit Channels: 12 8 | Number of Timers: 1 Channels: 6 | LQFP 64 10*10*1.4P0.5 LQFP 48 7*7*1.4P0.5 LQFP 32 7*7*1.4P0.8 | Internal Voltage Regulator Low Voltage Detect PLL Real-Time Clock Watchdog OSC/Timer Internal Clock Generator |
| S12G64 | 64 KB | 4 KB | 2 KB | CAN SCI SPI | Bits: 10 bit Channels: 12 | Number of Timers: 1 Channels: 6 | LQFP 64 10*10*1.4P0.5 LQFP 32 7*7*1.4P0.8 LQFP 48 7*7*1.4P0.5 | Watchdog OSC/Timer Real-Time Clock PLL Low Voltage Detect Internal Voltage Regulator Internal Clock Generator |
| S12G96 | 96 KB | 8 KB | 3 KB | CAN SCI SPI | Bits: 10 bit Channels: 12 | Number of Timers: 1 Channels: 8 | LQFP 64 10*10*1.4P0.5 LQFP 100 14*14*1.4P0.5 LQFP 48 7*7*1.4P0.5 | Watchdog OSC/Timer Real-Time Clock PLL Low Voltage Detect Internal Voltage Regulator Internal Clock Generator |
| S12G128 | 128 KB | 8 KB | 4 KB | CAN SCI SPI | Bits: 10 bit Channels: 12 | Number of Timers: 1 Channels: 8 | LQFP 64 10*10*1.4P0.5 LQFP 100 14*14*1.4P0.5 LQFP 48 7*7*1.4P0.5 | Internal Clock Generator Internal Voltage Regulator Low Voltage Detect PLL Real-Time Clock Watchdog OSC/Timer |
| S12G192 | 192 KB | 11 KB | 4 KB | CAN SCI SPI | Bits: 10 bit Channels: 16 | Number of Timers: 1 Channels: 8 | LQFP 64 10*10*1.4P0.5 LQFP 48 7*7*1.4P0.5 LQFP 100 14*14*1.4P0.5 | Internal Voltage Regulator Low Voltage Detect PLL Real-Time Clock Watchdog OSC/Timer Internal Clock Generator |
| S12G240 | 240 KB | 11 KB | 4 KB | CAN SCI SPI | Bits: 10 bit 12 bit Channels: 12 16 | Number of Timers: 1 Channels: 8 | LQFP 48 7*7*1.4P0.5 LQFP 100 14*14*1.4P0.5 LQFP 64 10*10*1.4P0.5 | Watchdog OSC/Timer Real-Time Clock PLL Low Voltage Detect Internal Voltage Regulator Internal Clock Generator |
Product Specifications
| Internal Flash (KB) | 32, 48, 192, 240, 16, 128, 64, 96 |
| EEPROM (KB) | 1.5, 3, 2, 0.5, 4, 1 |
| Serial Interface - Type | CAN, SPI, SCI |
| I/O Pins | 54, 26, 86, 40, 14 |
HVAC Reference Solutions
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